Connected: An Internet Encyclopedia
RFC 1866 - 7.5. Queries and Indexes

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### 7.5. Queries and Indexes

The <ISINDEX> element represents a set of hyperlinks. The user can choose from the set by providing keywords to the user agent. The user agent computes the head URI by appending `?' and the keywords to the base URI. The keywords are escaped according to [URL] and joined by `+'. For example, if a document contains:

        <BASE HREF="http://host/index">
        <ISINDEX>

and the user provides the keywords `apple' and `berry', then the user agent must access the resource `http://host/index?apple+berry'.

        <FORM> elements with `METHOD=GET' also represent sets of
        hyperlinks. See 8.2.2, "Query Forms: METHOD=GET" for details.

Next: 7.6. Image Maps

Connected: An Internet Encyclopedia
RFC 1866 - 7.5. Queries and Indexes